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Finding the Fourth Proportional to 6,998.43, 10,502.33 and 3,881.55

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Solution

The fourth proportional to 6,998.43, 10,502.33 and 3,881.55 is: 5,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.43 : 10,502.33 = 3,881.55 : x
  2. Step 2: Convert to fraction form
    6,998.43/10,502.33 = 3,881.55/x
  3. Step 3: Cross multiply
    6,998.43x = 10,502.33 × 3,881.55
  4. Step 4: Simplify right side
    6,998.43x = 40,765,299.60
  5. Step 5: Solve for x
    x = 40,765,299.60/6,998.43
  6. Step 6: Final answer
    x = 5,824.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.